| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,748 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,557 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,708 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,525 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,330 |
| Countries with Megacities | 0 | - | 4.99 | 195,003 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,662 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,969 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,834 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,816 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,361 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,303,190 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,732 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 205,742 |
| European Countries with One Border | 0 | - | 4.96 | 149,606 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,492 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,705 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,431 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,616 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,302 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,524 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,484 |
| Countries with the Most Borders | 0 | - | 4.97 | 357,737 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,788 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,132 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,919 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,239 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,695 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,367 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,609 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,347 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,919 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,294 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 81,270 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,294 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,932 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.44 | 335,143 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.58 | 373,555 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,623 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,577 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 156,153 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 80,002 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,213 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,999 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,221 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.83 | 48,488 |
| Random Countries by Borders | 0 | - | 4.99 | 65,907 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,300 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,075 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.88 | 50,393 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.30 | 27,299 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,067 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.89 | 81,087 |
| Countries Bordering the EU | 0 | - | 4.72 | 53,239 |
| Biggest Cities in the World | 0 | - | 4.89 | 679,750 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,361,337 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,397 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,521 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,508 |
| Countries that Border Hungary | 0 | - | 4.98 | 95,824 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,553 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 66,064 |
| Countries Bordering Iran | 0 | - | 4.84 | 87,842 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 59,897 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,279 |
| Countries Bordering Kenya | 0 | - | 4.86 | 57,650 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 70,530 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 111,493 |
| Countries Bordering Serbia | 0 | - | 4.95 | 82,459 |
| Countries Bordering South Africa | 0 | - | 4.97 | 78,222 |
| Countries Bordering Turkey | 0 | - | 4.98 | 108,374 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,353 |
| Biggest City by Time Zone | 0 | - | 4.84 | 53,571 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,767 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 167,703 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,010 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 94,746 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 63,469 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 70,385 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 367,813 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,375 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 42,063 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,139 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,033 |
| Biggest Cities in the United States | 0 | - | 4.93 | 809,430 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 321,092 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,674 |
| Olympic Host Countries | 0 | - | 4.98 | 160,729 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 91,062 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 229,806 |
| The Only European Country ... | 0 | - | 4.94 | 176,236 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,365 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,426 |
| Countries of Africa | 0 | - | 5.00 | 2,144,779 |
| Most Populous Countries by Year | 0 | - | 4.79 | 92,711 |
| Most Populous Country by First Two Letters | 0 | - | 4.72 | 66,508 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,581 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,241 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,557 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,534 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,836 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,812 |
| Megacities on a World Map | 0 | - | 4.98 | 219,265 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 509,390 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,468 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,820 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 83,176 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,187 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,572 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,988 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,712 |
| Countries of the Middle East | 0 | - | 4.96 | 171,619 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,877 |
| Slavic Countries | 0 | - | 4.96 | 99,870 |
| African Island Countries | 0 | - | 4.96 | 88,644 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,974 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,657 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,090 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,828 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,312 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 115,991 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 125,985 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,573 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,679 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,941 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,486 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,513 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,563 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,057 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,070 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,150 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,935 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 47,445 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,754 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.87 | 88,642 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 166,169 |
| Monarchies Bordering Monarchies | 0 | - | 4.86 | 55,448 |
| Most Populous Countries in 1950 | 0 | - | 4.55 | 70,648 |
| Most Populous Islands | 0 | - | 4.71 | 112,103 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,954 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,878 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,836 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,106 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,012 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,912 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,046 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,722 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,100 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,500 |
| Monarchies of Europe | 0 | - | 4.88 | 86,351 |
| Monarchies of Asia | 0 | - | 4.95 | 53,635 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,326 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 30,613 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,079 |
| Countries that Start with A | 0 | - | 4.98 | 1,928,926 |
| Countries that Start with B | 0 | - | 4.96 | 2,067,345 |
| Countries that Start with C | 0 | - | 4.96 | 1,634,451 |
| Countries that Start with D | 0 | - | 4.96 | 585,306 |
| Countries that Start with E | 0 | - | 4.95 | 1,222,239 |
| Countries that Start with G | 0 | - | 4.97 | 1,341,656 |
| Countries that Start with H | 0 | - | 4.95 | 499,053 |
| Countries that Start with I | 0 | - | 4.92 | 1,153,115 |
| Countries that Start with J | 0 | - | 4.98 | 502,577 |
| Countries that Start with K | 0 | - | 4.97 | 705,405 |
| Countries that Start with L | 0 | - | 4.98 | 963,687 |
| Countries that Start with N | 0 | - | 4.92 | 990,156 |
| Countries that Start with P | 0 | - | 4.94 | 1,092,961 |
| Countries that Start with S | 0 | - | 4.98 | 1,594,345 |
| Countries that Start with T | 0 | - | 4.88 | 902,888 |
| Countries that Start with U | 0 | - | 4.96 | 815,434 |
| Countries that Start with V | 0 | - | 4.98 | 546,174 |
| Countries that Start with F | 0 | - | 4.83 | 531,893 |
| Countries that Start with M | 0 | - | 4.97 | 1,245,685 |
| The Only African Country ... | 0 | - | 4.99 | 104,607 |
| The Only American Country ... | 0 | - | 4.94 | 108,939 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,220 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,676 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 69,967 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 88,932 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,722 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,534 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,858 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,231 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,693 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,495 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,586 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,477 |
| Boundary Waters | 0 | - | 4.93 | 80,505 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,913 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,218 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,252 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,633 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,457 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 301,786 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 96,328 |
| UK Immigration by Country | 0 | - | 4.95 | 124,268 |
| Central American Countries | 0 | - | 4.98 | 138,050 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,587 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,960 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 92,029 |
